Life Science
From the smallest microbe to the largest mammal, Life Science explores the origins, evolution and expansion of life in all its forms. Explore a wide range of topics from biology to genetics and evolution.
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Every animal sleeps -- some more than others -- but why they do it is a mystery to scientists. Is sleep more than just beauty rest? Could skimping on it kill you? And how much do you really need?
Learn about weight gain and the processes going on in your cells.
Influenza, Ebola and COVID-19 are all viruses. Find out what a virus does to your body and how to decrease your chance of exposure.
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The term IQ typically refers to a score on a test that measures someone's cognitive ability. What does this test constitute exactly? And does it accurately measure intelligence?
By Alia Hoyt
In this article, we'll look at laughter -- what it is, what happens in our brains when we laugh, what makes us laugh and how it can make us healthier and happier. You'll also learn that there's a tremendous amount that no one understands yet.
There is a good chance that if you go to the grocery store and buy a bunch of grapes that they will be of the seedless variety. If the grapes are seedless, how are they able to produce new grapes? Find out the answer to that question in this article.
The human body is composed of about 10 trillion cells. Everything from reproduction to infections to repairing a broken bone happens down at the cellular level. Find out all about cells.
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Kanye West says he says sees music in color. Other people can hear words that make them taste a particular flavor, or they actually feel another person's pain. Welcome to the world of the synesthete. It's a stimulating one.
Many old couples tend to look like each other due to shared life experiences, according to a recent study. Learn more about why older couples look alike.
Some researchers on the quest for artificial life say they're only 10 years away from their goal. But could these artificial life forms turn into a science fiction nightmare?
Addictions to substances such as drugs and alcohol have ruined the lives of people all over the world. Read about current views and ideas on addiction.
By Josh Clark & Sascha Bos
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Antidepressants are the first line of treatment for depression. Sales of antidepressants total $50 billion annually, making this class of drugs one of the leading prescription medications. But are they effective?
Some news organizations have reported that redheads will disappear by the year 2060. But this fiery breed isn't taking the news lying down, and there are rumors that blonds are on the way out, too.
Alien hand syndrome sounds like something from a B-grade horror movie, but it's a real condition. You could be completely at the mercy of your own renegade hand -- it could keep your other hand from functioning, punch you or even choke you.
Hair loss affects millions of Americans -- men, women and even children. That's why a recent gene therapy study from a research group at the University of Pennsylvania has many people excited.
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A man in Cornwall, England, went 11 consecutive days without a wink of sleep. Find out how he did it, why he did it and why you shouldn't give it a try.
Chimps share almost 99 percent of our genetic makeup. What makes up that tiny, 1 percent difference? What are the things that differentiate us from other great apes?
By Tom Scheve
Despite our best intentions, sometimes we just make bad choices. Is it possible to fight your own worst instincts? Only if you can spot these flaws in your decision making process.
By Tom Scheve
If someone tells you he or she possesses the secret of happiness, that person may also have a bridge to sell you. The things that make some people happy may lead to utter despair in others. As it turns out, humans may have to look into themselves to find happiness.
By Josh Clark
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What constitutes happiness? Is it the absence of pain or an abundance of pleasure? It is simply a fortunate function of the brain? If it's the latter, then we should be able to manipulate it -- perhaps in the form of a "happy pill." It may surprise you, then, to learn that we already have one.
By Josh Clark
One day you can digest dairy, and the next, milk makes you sick. The culprit behind this crime against milk? Gene regulation. But how do certain traits just switch off?
Biofilms form when single microorganisms attach to a hydrated surface and undergo a "lifestyle switch." But why should we care about biofilms?
Long before sonnets, sestinas and short stories were historical accounts of kings carved onto clay tablets. Who were the first writers and what did they scribble?
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Since Charles Darwin published the theory of evolution by means of natural selection, myths and misinterpretations have eroded public understanding of his ideas. Ready to take another look at one of the related questions that just won't die?
By William Harris & Sascha Bos
Wouldn't it be nice to grow crops that grew 50 percent more than current varieties? How about a strain of vegetables that were safe from insects without using pesticides? Agricultural biotechnology can do that.